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test empty section and section with removed flag

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This commit is contained in:
Nikita Smith
2025-06-10 16:28:19 -07:00
committed by Ryan Fleury
parent 5fb0d978b9
commit d7b8de5998
1 changed files with 81 additions and 0 deletions
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src/torture/torture.c
+81
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@@ -3273,6 +3273,85 @@ exit:;
return result;
}
internal T_Result
t_empty_section(void)
{
Temp scratch = scratch_begin(0,0);
T_Result result = T_Result_Fail;
{
COFF_ObjWriter *obj_writer = coff_obj_writer_alloc(0, COFF_MachineType_X64);
COFF_ObjSection *test = coff_obj_writer_push_section(obj_writer, str8_lit(".test"), PE_TEXT_SECTION_FLAGS, str8(0,0));
coff_obj_writer_push_symbol_extern(obj_writer, str8_lit("TEST"), 0, test);
String8 obj = coff_obj_writer_serialize(scratch.arena, obj_writer);
coff_obj_writer_release(&obj_writer);
if (!t_write_file(str8_lit("empty_section.obj"), obj)) { goto exit; }
}
{
COFF_ObjWriter *obj_writer = coff_obj_writer_alloc(0, COFF_MachineType_X64);
U8 text[] = {
0x48, 0xC7, 0xC0, 0x00, 0x00, 0x00, 0x00, // mov rax, $imm
0xC3 // ret
};
COFF_ObjSection *text_sect = t_push_text_section(obj_writer, str8_array_fixed(text));
COFF_ObjSymbol *test_symbol = coff_obj_writer_push_symbol_undef(obj_writer, str8_lit("TEST"));
coff_obj_writer_section_push_reloc_voff(obj_writer, text_sect, 3, test_symbol); // relocation against removed section
coff_obj_writer_push_symbol_extern(obj_writer, str8_lit("entry"), 0, text_sect);
String8 obj = coff_obj_writer_serialize(scratch.arena, obj_writer);
coff_obj_writer_release(&obj_writer);
if (!t_write_file(str8_lit("entry.obj"), obj)) { goto exit; }
}
int linker_exit_code = t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe empty_section.obj entry.obj");
if (linker_exit_code == 0) { goto exit; }
result = T_Result_Pass;
exit:;
scratch_end(scratch);
return result;
}
internal T_Result
t_removed_section(void)
{
Temp scratch = scratch_begin(0,0);
T_Result result = T_Result_Fail;
{
COFF_ObjWriter *obj_writer = coff_obj_writer_alloc(0, COFF_MachineType_X64);
U8 test_text[] = { 0xc3 };
COFF_ObjSection *test_sect = coff_obj_writer_push_section(obj_writer, str8_lit(".test"), PE_TEXT_SECTION_FLAGS | COFF_SectionFlag_LnkRemove, str8_array_fixed(test_text));
coff_obj_writer_push_symbol_extern(obj_writer, str8_lit("TEST"), 0, test_sect);
String8 obj = coff_obj_writer_serialize(scratch.arena, obj_writer);
coff_obj_writer_release(&obj_writer);
if (!t_write_file(str8_lit("test.obj"), obj)) { goto exit; }
}
{
COFF_ObjWriter *obj_writer = coff_obj_writer_alloc(0, COFF_MachineType_X64);
U8 text[] = {
0x48, 0xC7, 0xC0, 0x00, 0x00, 0x00, 0x00, // mov rax, $imm
0xC3 // ret
};
COFF_ObjSection *text_sect = t_push_text_section(obj_writer, str8_array_fixed(text));
COFF_ObjSymbol *test_symbol = coff_obj_writer_push_symbol_undef(obj_writer, str8_lit("TEST"));
coff_obj_writer_section_push_reloc_voff(obj_writer, text_sect, 3, test_symbol); // relocation against removed section
coff_obj_writer_push_symbol_extern(obj_writer, str8_lit("entry"), 0, text_sect);
String8 obj = coff_obj_writer_serialize(scratch.arena, obj_writer);
coff_obj_writer_release(&obj_writer);
if (!t_write_file(str8_lit("entry.obj"), obj)) { goto exit; }
}
int linker_exit_code = t_invoke_linkerf("/subsystem:console /entry:entry /out:a.exe test.obj entry.obj");
if (linker_exit_code == 0) { goto exit; }
result = T_Result_Pass;
exit:;
scratch_end(scratch);
return result;
}
////////////////////////////////////////////////////////////////
internal void
@@ -3324,6 +3403,8 @@ entry_point(CmdLine *cmdline)
{ "communal_var_vs_regular", t_communal_var_vs_regular },
{ "import_kernel32", t_import_kernel32 },
{ "delay_import_user32", t_delay_import_user32 },
{ "empty_section", t_empty_section },
{ "removed_section", t_removed_section },
//{ "import_export", t_import_export },
};